Reflex Gaze Led Removal; Bowl Lamp Assembly Removal - Zeiss humphrey HFA II-i series Field Service Manual

Parts Removal/Replacement

3.42 Reflex Gaze LED Removal

The Reflex Gaze LED is part of the Fixation Interconnect PCB.
(See Fixation Interconnect PCB Removal, Section 3.15)
NOTE - The reflex gaze LED is used in the models 720i for additional eye illumination to
help differentiate the iris and pupil in the video insert for patients with a dark iris. In the
740i and 750i, the reflex gaze LED is used to monitor gaze tracking.

3.43 Bowl Lamp Assembly Removal

1) Remove the front cover assembly (3.2).
2) Remove the rear cover assembly (3.3).
3) Loosen the four bowl mounting screws to relax the bowl.
4) Unplug the right/left bowl lamp connector from the Fixation Interconnect
PCB.
5) Remove the tape securing the bowl lamp cable to the bowl.
6) Remove the hex head screw securing the ground cable to the frame.
7) Remove the two hex head screws (inside the bowl) securing the lamp
assembly to the bowl.
For Right Bowl Lamp: Remove the complete lamp assembly by lifting up
8)
and maneuvering it out from the front of the instrument, between the bowl
and frame.
For Left Bowl Lamp: Remove the complete lamp assembly by lifting up
and maneuvering it out from the back of the instrument, between the bowl
and frame.
Replacement Notes:
The bowl lamps must be replaced in pairs only.
P
The bowl lamp baffles snap into place.
P
Follow-up Checks/Adjustments:
See Table 3-1.
Field Service Guide
Humphrey Field Analyzer II - i
Confidential and Proprietary
3 - 54 52235C1105